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(Studio: Peter Jennings) Botanist Dr. Peter Raven, director of Missouri Botanical Garden and expert on tropical rain forests, featured; scenes shown of life in rain forests. [RAVEN - says things can be done to improve the quality of the world.] Map shown. [RAVEN - discusses important of rain forests to world environment] Med. experiment from rain forest species noted; use of derivative of rosy periwinkle in treatment of children with lymph leukemia cited as ex. [RAVEN - talks about preservation of plants and animals.] Pop. and economy crunch in tropical areas detailed; scenes shown. Raven's career reviewed; photos shown. [RAVEN - says we must provide future for our children and grandchildren.] Conservationist David Brower quoted.
- Jennings, Peter
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